The choice of LeYeNing oral solution for birth control, need to be based on the cause of the disease, to determine the effect of birth control, the patient is due to spleen deficiency, kidney deficiency or spleen and kidney deficiency, caused by miscarriage, preeclampsia, habitual miscarriage, can be used to use this drug to carry out birth control treatment, you can get a good therapeutic effect. If the patient is due to pregnant women abdominal impact, other external factors caused by miscarriage, preeclampsia, the use of this drug treatment effect is not good. LeYeNing Oral Liquid is a kind of traditional Chinese medicine to protect the fetus, there is no clear adverse reaction, when taking the drug to protect the fetus treatment, need to pay attention to can not be overly strenuous exercise, also should not be too fatigue. The patient in the presence of difficult labor, or ectopic pregnancy and other conditions such as seizures, is not allowed to use this drug treatment.